Portable Radio User Manual
81
NUF/PMUF6500D, NUF/PMUF6533A AND NUF/PMUF6410D (800MHz)
TRANSCEIVER BOARDS’ SCHEMATIC DIAGRAM (Sheet 2 of 2)
LOCK DET
NC
GND
GND
RAW B+
RAW B+
J301
5V TX
NC
4.7 V
OTHERWISE LOCK
VCO
REF OSC
5V REG
SYNTHESIZER
FRACTN IC
IF IC
NC
0V
RSSI
SQ OUT
DATA
DISC
2.1 MHz
CLOCK
IF SEL
J301
2.8 V
2.4V
2.6V
2.5 Vdc
0.8 V
3.3 V
0V OR 5V UNLOCK
5V
*
16.8 MHz
16.8
VCO
VCO MOD
2.28V
1.65V
SYN
LCKCLKD
NC
1.55V
2.5V
2.4V
3.0V
NC
NC
NC
NC
NC
NC
VCO MOD
DAC SEL
REF OSC SEL
SYN SEL
VCO MOD
SW B+
GND
GND
GND
R1
R3
R4
R5
Q2
1.1 K
510
100
*
*
*
*
*
*
10 K
INDICATES A COMPONENT THAT IS NOT PLACED
*
2.4 RX
4.6V TX
4.7 V
4.6V
4.6V
4.7 V
NC
13V
2.5Vdc
NC
NC
5V
0V RX
NC
0V
BUFFER
MH
z
2.4V
3.65V
2.5Vdc
0V
5V
4.7 V
2.5 Vdc
TO JUMPER
FLEX P301
U205
NUF6500D NUF6533A
NOTE:
1
200K
R25
8
20
16
9
19
18
C303
3300pF
3300pF
C309
C304
33pF
2
33pF
C308
C310
33pF
43pF
C289
33pF
C312
C53
0.15uF
.018uF
C52
1
20K
R17
Q5
R1=
47K
2
3
43pF
C57
2
43pF
C56
C274
Q1
1
3
1K
.022uF
C284
.047uF
R222
33pF
C260
C34
C227
10K
0.1uF
33K
R21
R22
Q4
1
32
R23
1.5K
2.7K
C253
10uF
R33
0.1uF
33p F
C251 C250
C279
1K
0.1uF
R221
C95
C214
.022uF
51
8.2pF
R211
C247
1200pF
C230
33pF33pF
C225
C311
3300pF
C258
0.1uF
15
2.7K
R16
33pF
C313
.022uF
C236
33pF
BATT+
BATT-
NC
14
C228
C267
3300pF
NC9
16
SCK
22
SI
25
SO
21
24
SS
13
VDD
VOPT
12
VREG
11
D
32
NC18
NC2
2
NC3
3
NC4
4
5
NC5
NC6
6
VDD2
14
NC8
15
NC10
17
NC11
18
NC12
19
NC13
20
28
NC14
NC15
29
NC16
30
NC17
31
7
DCWARP
27
DE
9
DET
8
23
EN_CE
FOUT
10
26
VSSD/VSSA
NC1
1
U203
CEXT
2.1MHz
DAC_SEL
.022uF
C219
LO
5VREG
AGC
5VREG 5VREG
0.33uF
C211
3pF
R220
C49
15K
.022uF
C233
33pF
C231
SW1
11
SW2
38
10uF
C254
GND5
5
GND50
56
GND51
57
GND6
6
GND7
789
GND8
GND9
10
RFOUT
GND42
47
GND43
49
GND44
50
GND45
51
GND46
52
GND47
53
GND48
5455
GND49
GND35
39
GND36
40
GND37
41
GND38
42
GND39
43
GND4
4
GND40
45
GND41
46
GND28
31
GND29
32
GND3
3
GND30
33
GND31
34
GND32
35
GND33
36
GND34
37
GND20
23
GND21
24
GND22
25
GND23
26
GND24
27
GND25
28
GND26
29
GND27
30
GND13
16
GND14
17
GND15
18
GND16
19
GND17
20
GND18
21
GND19
22
GND2
2
BPOS
48
CNTRL1
14
CNTRL2
44
GND1
1
GND10
12
GND11
13
GND12
15
1A
32V
F1
L36
180nH
TP201
1
C307
33pF
C58
2.2pF
C47
0.1uF
0.1uF
C46
33pF
C305
R37
0
33pF
C306
12
11
13
10
6
C40
0.1
uF
C41
100pF
1
2
3
3300pF
C3
1.1K
CR4
C302
R1
4
33pF
C126
5VREG2.1MHz
LCK
B+
CLK
2
3
1
.022uF
VR101
20V
C201
33p F
C152
4.7pF
0
R201
C205
3pF
C202
C204
33pF
C61
20pF
C2
100
pF
1.5uH
L23
0.1uF
510
R36
47pF
C35
.022uF
C280
C301
C255
.022uF
.022uF
0.1uF
C96
L20
820nH
C62
33pF
0.1uF
C48
C314
C42
430pF
C43
0.22uF
0.22uF
0.22uF
C45
0.22uF
C44
0.1uF
C60
0.1uF
C9
C87
0.1uF
R32
2.7K47K
R34
0.1uF
C65
10uF
C1
C125
0.1uF
6
5V_TAP
ERROR
FEEDBACK
4
GND
8
7
5
INPUT
1
OUTPUT
2
SENSE
3
SHUTDOWN
39
VAG1
27
VCC 2_5V
VCO 5V
12
VI BYPASS
25
U20
2
PREAMP 5V
PREAMP IN
2
RAMP CAP
2422
REF CLK
10
RSSI FLT
RSSI OUT
9
SUM DEMOD
28
30
VAG
GND DIEPAD5
8
GND DP1
GND DP2
15
3
GND PREAMP
29
HF DEMOD
18
IOUT
23
OFFSET LOOP 5V
675
PREAMPOUT
4
COL
19
DATA
DM BYP
DM IN
13
EMIT
1
GND
GND DIEPAD3
16 26
GND DIEPAD4
41 36
C2 POS
C3NEG
33
C3POS
34
C4NEG
31
32
C4POS
21
CEX
11
CHARGE PUMP 5V
20
CLK
17
U3
40
AGC
BASE
14
C1 NEG
37
C1 POS
38
35
C2NEG
CR5
39pF
C54
C55
39pF
L24
180nH
R35
47K
5
7
3
17
51K
R215
39K
R214
10uH
L209
.022uF
C244
510pF
C246
0.1uF
C241
R212
1K
.022uF
C245
2K
.047uF
C275
R213
C240
0.1uF
C239
0.1uF 0.1uF
C237
0.1uF
C238
C270
4.7uF
0.1uF
C116
C114
0.1uF
3300pF
C266
C257
0.1uF
3
K1
K2
2
1
K3
0.1uF
C256
CR204
4
A1
5
A2
6
A3
36
VMULT1
9
VMULT2
8
VMULT3
7
VMULT4
6
A/D_BYPASS
12
XTAL1
14
XTAL2
15
21
PVREF
24
SUPFBASE
18
SUPFCAP
17
20
SUPFIN
SUPFOUT
19
TST1
26
TST2
27
VCP
32
LOCK
41
MODIN
5
MODOUT
30
WARP
16
31
EN
R_GND1
43
R_GND2
44
PREIN
42
EN_CE
4
FREFOUT
10
GND1
1
GND2
13
GND3
22
GND4
33
IADAPT
34
IOUT
40
CLK
3
CPBIAS1
29
CPBIAS2
28
DATA
2
DC5V1
11
DC5V2
23
DC5V3
25
DC5V4
ADAPTSW
35
AUX1
37
38
AUX2
AUX3
39
AUX4
C36
U204
FL1
FREQ=73.35MHz
GND
2
GND1
4
OUT
3
IN
1
2.7pF
3.9pF
L22
1.5uH
C38
.022uF
C37
C209
.022uF
TX
4
TXBB
16
3
VCC
L204
15nH
GND
11
NC
14
15
PRE
RBY
13
RX
2
SW1
8
SW2
10
TRB
7
U201
FLIP
6
GND
1
GND
5
GND
12
IN
9
33pF
C294
C271
10uF
IF
D
CLK
AGC
Tx_RF
B+
B+
LCK
P404
63B81097C06-O
Sheet 2 of 2
RF AMP
DOWN
MIXERS
RSS
90 DEG
PHASE
SHIFT
DFM
SECOND
LOCAL
OSCILLATOR
SYNTH
BASEBAND
FILTERS
UP CONVERSION
MIXERS
OMPAC ZIF
TP401
BANDPASS
FILTERS
LIM DEMOD
MAIN
LOOP
OFFSET
LOOP
SERIAL
DATA
PORT